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United States Patent | 6,138,930 |
Gagnon ,   et al. | October 31, 2000 |
An apparatus for removing ice from an electric cable is disclosed. This apparatus comprises an impact actuator, an impact member in the from of a rod, and a fastener to hang the apparatus from the electric cable. The apparatus can be remotely activated and can be activated many times before reloading. Triggering of the impact actuator produces an impact between the rod and the electric cable suitable to produce a shock wave that propagates along the electric cable to cause the accumulated ice to break and fall on the ground.
Inventors: | Gagnon; Maurice (159 Rang St-Joseph, St-Fulgence, Quebec, CA); Tremblay; Nicolas (185 Rang St-Joseph, St-Fulgence, Quebec, CA) |
Appl. No.: | 393625 |
Filed: | September 10, 1999 |
Sep 11, 1998[CA] | 2246945 |
Current U.S. Class: | 241/36; 241/283; 241/301; 241/DIG.17 |
Intern'l Class: | B02C 019/12 |
Field of Search: | 299/24 241/1,301,283,DIG. 17,36 173/90 |
4809787 | Mar., 1989 | McCauley | 173/90. |